code: def test_ticks():
      plt.xticks([1, 2, 3])
      rep = fig_to_html(plt.gcf())
      # TODO: use casperjs here if available to confirm that the xticks
      # are rendeder as expected
  
      # pandas tslib generates ticks with unusual dtypes
      # test that they are converted to html successfully
      plt.xticks(np.array([1, 2, 3], dtype=np.int32))
      rep = fig_to_html(plt.gcf())
  
      # custom ticks should appear in the correct place, with the
      # correct text
      positions, labels = [0, 1, 10], ["A", "B", "C"]
      rep = fig_to_html(plt.gcf())
  
file_path: mpld3/mpld3/tests/test_elements.py
imports: import numpy
  import matplotlib.pyplot
  from ..None import fig_to_dict, fig_to_html
  from numpy.testing import assert_equal
label_desc: Use image node_id 7 for calling a global function with example usage: test_ticks() without return types